Move pages under tldr, lint run.sh, update docs

tldr/windows/cmd

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+---
+syntax: markdown
+tags: [tldr, windows]
+source: https://github.com/tldr-pages/tldr.git
+---
+# cmd
+
+> The Windows command interpreter.
+> More information: <https://learn.microsoft.com/windows-server/administration/windows-commands/cmd>.
+
+- Start an interactive shell session:
+
+`cmd`
+
+- Execute specific [c]ommands:
+
+`cmd /c {{echo Hello world}}`
+
+- Execute a specific script:
+
+`cmd {{path	o\script.bat}}`
+
+- Execute specific commands and then enter an interactive shell:
+
+`cmd /k {{echo Hello world}}`
+
+- Start an interactive shell session where `echo` is disabled in command output:
+
+`cmd /q`
+
+- Start an interactive shell session with delayed [v]ariable expansion enabled or disabled:
+
+`cmd /v:{{on|off}}`
+
+- Start an interactive shell session with command [e]xtensions enabled or disabled:
+
+`cmd /e:{{on|off}}`
+
+- Start an interactive shell session with used [u]nicode encoding:
+
+`cmd /u`